Scania EMO DTC 1321 Fan Speed Sensor (T123) - Is too high.

EMO EMO control unit · Scania

Code 1321 (decimal). Some diagnostic tools show it in hexadecimal as 0529.

In short

Reported fan speed from the fan speed sensor is too high.

Applies to: EMO2 (EMS)

What does Scania EMO fault code 1321 mean?

What causes Scania DTC 1321?

How does the system react?

What are the symptoms?

How to fix Scania EMO fault code 1321?

Read the full explanation with Premium

Causes, system reaction, symptoms and step-by-step repair instructions for every fault code are available to Premium members.

  • Full explanations of every code and brand
  • Causes, symptoms and repair steps
  • New brands and codes included
Get Premium – 7,50 € / month I already have an account

Yearly plan: pay 10 months, get 12. Cancel at any time.

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

Code 1321 in other Scania systems

Compare code 1321 in every system →